simplify:

7r + 10 - 2(2r + 3s - 5t) + 2(4s - t) + 5?

Ngrid mixes 3.6 pounds of almonds with some raisins to make a trail mix. she divides the trail mix into 12 equal portions. each portion weighs 0.7 pound. how many pounds of raisins did she use to make the trail mix? express the answer to the nearest tenth.

What is the unit rate of, 75% high fiber chimp food to 25% high protein chimp food.

On the first of each month sasha runs a 5k race she keeps track of her times to track her progress her time in minutes is recorded in the table